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Finding the Fourth Proportional to 303,516.90, 455,566.95 and 153,926.10

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Solution

The fourth proportional to 303,516.90, 455,566.95 and 153,926.10 is: 231,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,516.90 : 455,566.95 = 153,926.10 : x
  2. Step 2: Convert to fraction form
    303,516.90/455,566.95 = 153,926.10/x
  3. Step 3: Cross multiply
    303,516.90x = 455,566.95 × 153,926.10
  4. Step 4: Simplify right side
    303,516.90x = 70,123,643,902.40
  5. Step 5: Solve for x
    x = 70,123,643,902.40/303,516.90
  6. Step 6: Final answer
    x = 231,037.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.